CN113445399B - Method for testing bearing capacity of highway design - Google Patents
Method for testing bearing capacity of highway design Download PDFInfo
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- CN113445399B CN113445399B CN202110492598.0A CN202110492598A CN113445399B CN 113445399 B CN113445399 B CN 113445399B CN 202110492598 A CN202110492598 A CN 202110492598A CN 113445399 B CN113445399 B CN 113445399B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/01—Devices or auxiliary means for setting-out or checking the configuration of new surfacing, e.g. templates, screed or reference line supports; Applications of apparatus for measuring, indicating, or recording the surface configuration of existing surfacing, e.g. profilographs
Abstract
The invention discloses a method for testing bearing capacity of a highway design, which comprises the steps of firstly sampling and detecting raw materials of concrete or asphalt used in construction when a road is constructed, and detecting the collected samples. By adopting the detection method designed by the invention, traffic simulation experiments under multiple working conditions can be carried out on the road, the accuracy of a test result can be ensured to the maximum extent, problems can be found out in time and corrected through detection of raw materials, detection during construction and detection after construction, so that the construction quality of the road can be ensured, and data can be directly or manually detected in the detection process, so that the safety, authenticity, integrity, consistency and traceability of the experimental data are ensured, the unified management of the experimental data is realized, the overall quality of the experiment is improved, repeated experiments are reduced, the experiment development cost of enterprises is greatly reduced, and the restricted production scheduling is realized.
Description
Technical Field
The invention relates to the technical field of municipal engineering, in particular to a method for testing bearing capacity in a road design.
Background
The highway is built according to the national technical standard among the connected cities, villages and mining bases, is approved by the highway administration department, does not contain lanes naturally formed in the fields or the rural areas, is mainly used for driving automobiles, has certain technical standards and facilities, has the difference between the ordinary highway and the special highway for the automobiles, and the latter has more and more highway grades, so that the second-level highway has two specifications, and the bearing capacity of the highway needs to be tested after the highway is built.
Disclosure of Invention
The invention aims to provide a method for testing bearing capacity by road design, which has the advantages of high efficiency and high detection precision and solves the problem of inaccurate test result obtained by the traditional test method.
In order to achieve the purpose, the invention provides the following technical scheme: a method for testing bearing capacity of a highway design comprises the following steps:
s1, firstly, when a road is constructed, sampling and detecting raw materials of concrete or asphalt used in the construction are needed, and the collected samples are detected, so that the strength of raw materials for constructing the road can be tested, detection data are stored, a collapse experiment needs to be carried out on the concrete, and a high-temperature resistant experiment needs to be carried out on the asphalt;
s2, after a section of road is built, sampling and detecting the road surface built at present, detecting the bearing capacity of the sample, storing the detection data, reworking the road built at present when the detection strength does not meet the design strength, finding out the unqualified reason, simulating the use environment of high temperature, rain, snow and frost freezing when the sample is detected, and testing the detection result in detail each time;
s3, after the road is built, performing a traffic test on the current road, wherein the quality of each automobile and the traffic situation in the future are simulated to the greatest extent when the traffic test is performed, and vehicle type information, vehicle load information, route road condition information and driving track information are required to be determined when the traffic test is performed;
s4, after the traffic experiment is completed, detecting the overall height of the road surface, comparing the overall height with the original parameters, reflecting the descending degree of the road visually, and comparing the detected data with the design parameters;
s5, after the overall comparison of the roads, sampling the roads, detecting the samples, detecting the internal structural strength, the collapse condition and the bearing limit of the samples, storing the detection data and comparing the detection data with the design parameters.
Preferably, in the third step, when the traffic experiment is performed, clear weather needs to be selected, the traffic experiment needs to be performed at least twice, and the second time is to perform sprinkling operation on the road surface to simulate the traffic road condition in rainy days.
Preferably, in the fourth step, when the overall height of the road surface is measured, multi-point sampling detection needs to be performed on the overall height of the road surface, so that the detection accuracy is ensured.
Preferably, in the fifth step, a protective cover needs to be placed when the sample is detected to be subjected to limit pressure bearing, so that splashing slag is prevented from hurting workers.
Compared with the prior art, the invention has the following beneficial effects:
by adopting the detection method designed by the invention, traffic simulation experiments under multiple working conditions can be carried out on the road, the accuracy of a test result can be ensured to the maximum extent, problems can be found out in time and corrected through detection of raw materials, detection during construction and detection after construction, so that the construction quality of the road can be ensured, and data can be directly or manually detected in the detection process, so that the safety, authenticity, integrity, consistency and traceability of the experimental data are ensured, the unified management of the experimental data is realized, the overall quality of the experiment is improved, repeated experiments are reduced, the experiment development cost of enterprises is greatly reduced, and the restricted production scheduling is realized.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that: a method for testing bearing capacity of a highway design comprises the following steps:
s1, firstly, when a road is constructed, sampling detection of raw materials is needed to be carried out on concrete or asphalt used in the construction, and the strength of raw materials for constructing the road can be tested and detection data can be stored by detecting the collected samples;
s2, after the road is built for a section, sampling and detecting the road surface which is built at present, detecting the bearing capacity of the sample, storing the detection data, and when the detection strength does not accord with the design strength, reworking the road which is built at present and finding out the unqualified reason;
s3, after the road is built, performing a traffic test on the current road, and during the traffic test, determining the quality of each automobile and simulating the traffic condition in the future to the greatest extent;
s4, after the traffic experiment is completed, detecting the overall height of the road surface, comparing the overall height with the original parameters, reflecting the descending degree of the road visually, and comparing the detected data with the design parameters;
s5, after the overall comparison of the road, sampling the road, detecting the sample, detecting the internal structural strength, collapse condition and pressure bearing limit of the sample, storing the detection data and comparing the detection data with the design parameters.
The first embodiment is as follows:
firstly, when a road is constructed, the raw materials of concrete or asphalt used in the construction are sampled and detected, the collected samples are detected, so that the strength of the raw materials for constructing the road can be tested, the detection data are stored, after the road is constructed for a section, the road surface constructed at present needs to be sampled and detected, then the bearing capacity of the samples is detected, the detection data are stored, when the detection strength does not accord with the design strength, the road constructed at present needs to be reworked, the unqualified reason is found out, when the road is constructed, the traffic-through experiment is carried out on the road at present, when the traffic-through experiment is carried out, the quality of each automobile needs to be determined, the traffic-through condition after the simulation of the day is carried out to the greatest extent, and after the traffic-through experiment is completed, the whole height of the road surface needs to be detected, and comparing with the original parameters, the descending degree of the road can be visually reflected, the detection data is compared with the design parameters, after the whole road comparison, the road is sampled, then the sample is detected, the internal structural strength, the collapse condition and the pressure bearing limit of the sample are detected, and the detection data is stored and compared with the design parameters.
Example two:
in the first embodiment, the following steps are added:
in the first step, a collapse experiment needs to be carried out on the concrete, and a high-temperature resistant experiment needs to be carried out on the asphalt.
Firstly, when a road is constructed, the raw materials of concrete or asphalt used in the construction are sampled and detected, the collected samples are detected, so that the strength of the raw materials for constructing the road can be tested, the detection data are stored, after the road is constructed for a section, the road surface constructed at present needs to be sampled and detected, then the bearing capacity of the samples is detected, the detection data are stored, when the detection strength does not accord with the design strength, the road constructed at present needs to be reworked, the unqualified reason is found out, when the road is constructed, the traffic-through experiment is carried out on the road at present, when the traffic-through experiment is carried out, the quality of each automobile needs to be determined, the traffic-through condition after the simulation of the day is carried out to the greatest extent, and after the traffic-through experiment is completed, the whole height of the road surface needs to be detected, and comparing with the original parameters, the descending degree of the road can be visually reflected, the detection data is compared with the design parameters, after the whole road comparison, the road is sampled, then the sample is detected, the internal structural strength, the collapse condition and the pressure bearing limit of the sample are detected, and the detection data is stored and compared with the design parameters.
Example three:
in the second embodiment, the following steps are added:
and step two, when the sample is detected, simulating the use environment of high temperature, rain, snow and frost icing, and testing the detection result in detail.
Firstly, when a road is constructed, the raw materials of concrete or asphalt used in the construction are sampled and detected, the collected samples are detected, so that the strength of the raw materials for constructing the road can be tested, the detection data are stored, after the road is constructed for a section, the road surface constructed at present needs to be sampled and detected, then the bearing capacity of the samples is detected, the detection data are stored, when the detection strength does not accord with the design strength, the road constructed at present needs to be reworked, the unqualified reason is found out, when the road is constructed, the traffic-through experiment is carried out on the road at present, when the traffic-through experiment is carried out, the quality of each automobile needs to be determined, the traffic-through condition after the simulation of the day is carried out to the greatest extent, and after the traffic-through experiment is completed, the whole height of the road surface needs to be detected, and comparing with the original parameters, the descending degree of the road can be visually reflected, the detection data is compared with the design parameters, after the whole road is compared, the road is sampled, then the sample is detected, the structural strength, the collapse condition and the pressure bearing limit in the sample are detected, and the detection data is stored and compared with the design parameters.
Example four:
in the third embodiment, the following steps are added:
in the third step, when a traffic experiment is performed, the vehicle type information, the vehicle load information, the route road condition information and the driving track information need to be determined.
Firstly, when a road is constructed, the raw materials of concrete or asphalt used in the construction are sampled and detected, the collected samples are detected, so that the strength of the raw materials for constructing the road can be tested, the detection data are stored, after the road is constructed for a section, the road surface constructed at present needs to be sampled and detected, then the bearing capacity of the samples is detected, the detection data are stored, when the detection strength does not accord with the design strength, the road constructed at present needs to be reworked, the unqualified reason is found out, when the road is constructed, the traffic-through experiment is carried out on the road at present, when the traffic-through experiment is carried out, the quality of each automobile needs to be determined, the traffic-through condition after the simulation of the day is carried out to the greatest extent, and after the traffic-through experiment is completed, the whole height of the road surface needs to be detected, and comparing with the original parameters, the descending degree of the road can be visually reflected, the detection data is compared with the design parameters, after the whole road comparison, the road is sampled, then the sample is detected, the internal structural strength, the collapse condition and the pressure bearing limit of the sample are detected, and the detection data is stored and compared with the design parameters.
Example five:
in the fourth example, the following steps were added:
and step three, when a traffic test is carried out, clear weather needs to be selected, the traffic test needs to be carried out at least twice, and the traffic test is carried out on the road surface for the second time, so that the traffic road condition in rainy days is simulated.
Firstly, when a road is constructed, the raw materials of concrete or asphalt used in the construction are sampled and detected, the collected samples are detected, so that the strength of the raw materials for constructing the road can be tested, the detection data are stored, after the road is constructed for a section, the road surface constructed at present needs to be sampled and detected, then the bearing capacity of the samples is detected, the detection data are stored, when the detection strength does not accord with the design strength, the road constructed at present needs to be reworked, the unqualified reason is found out, when the road is constructed, the traffic-through experiment is carried out on the road at present, when the traffic-through experiment is carried out, the quality of each automobile needs to be determined, the traffic-through condition after the simulation of the day is carried out to the greatest extent, and after the traffic-through experiment is completed, the whole height of the road surface needs to be detected, and comparing with the original parameters, the descending degree of the road can be visually reflected, the detection data is compared with the design parameters, after the whole road comparison, the road is sampled, then the sample is detected, the internal structural strength, the collapse condition and the pressure bearing limit of the sample are detected, and the detection data is stored and compared with the design parameters.
Example six:
in the fifth example, the following steps were added:
in the fourth step, when the overall height of the road surface is measured, multi-point sampling detection is required to be carried out on the overall height of the road surface, so that the detection accuracy is ensured.
Firstly, when a road is constructed, the raw materials of concrete or asphalt used in the construction are sampled and detected, the collected samples are detected, so that the strength of the raw materials for constructing the road can be tested, the detection data are stored, after the road is constructed for a section, the road surface constructed at present needs to be sampled and detected, then the bearing capacity of the samples is detected, the detection data are stored, when the detection strength does not accord with the design strength, the road constructed at present needs to be reworked, the unqualified reason is found out, when the road is constructed, the traffic-through experiment is carried out on the road at present, when the traffic-through experiment is carried out, the quality of each automobile needs to be determined, the traffic-through condition after the simulation of the day is carried out to the greatest extent, and after the traffic-through experiment is completed, the whole height of the road surface needs to be detected, and comparing with the original parameters, the descending degree of the road can be visually reflected, the detection data is compared with the design parameters, after the whole road is compared, the road is sampled, then the sample is detected, the structural strength, the collapse condition and the pressure bearing limit in the sample are detected, and the detection data is stored and compared with the design parameters.
Example seven:
in example six, the following steps were added:
and in the fifth step, a protective cover needs to be placed when the sample is detected to carry out limit pressure bearing, so that the splashed slag is prevented from hurting workers.
Firstly, when a road is constructed, the raw materials of concrete or asphalt used in the construction are sampled and detected, the collected samples are detected, so that the strength of the raw materials for constructing the road can be tested, the detection data are stored, after the road is constructed for a section, the road surface constructed at present needs to be sampled and detected, then the bearing capacity of the samples is detected, the detection data are stored, when the detection strength does not accord with the design strength, the road constructed at present needs to be reworked, the unqualified reason is found out, when the road is constructed, the traffic-through experiment is carried out on the road at present, when the traffic-through experiment is carried out, the quality of each automobile needs to be determined, the traffic-through condition after the simulation of the day is carried out to the greatest extent, and after the traffic-through experiment is completed, the whole height of the road surface needs to be detected, and comparing with the original parameters, the descending degree of the road can be visually reflected, the detection data is compared with the design parameters, after the whole road comparison, the road is sampled, then the sample is detected, the internal structural strength, the collapse condition and the pressure bearing limit of the sample are detected, and the detection data is stored and compared with the design parameters.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A method for testing bearing capacity of a road design is characterized by comprising the following steps: the method comprises the following steps:
s1, firstly, when a road is constructed, sampling and detecting raw materials of concrete or asphalt used in the construction are needed, and the collected samples are detected, so that the strength of raw materials for constructing the road can be tested, detection data are stored, a collapse experiment needs to be carried out on the concrete, and a high-temperature resistant experiment needs to be carried out on the asphalt;
s2, after a section of road is built, sampling and detecting the road surface built at present, detecting the bearing capacity of the sample, storing the detection data, reworking the road built at present when the detection strength does not meet the design strength, finding out the unqualified reason, simulating the use environment of high temperature, rain, snow and frost freezing when detecting the sample, and testing the detection result in detail each time;
s3, after the road is built, performing a traffic test on the current road, wherein the quality of each automobile needs to be determined and the traffic situation in the future needs to be simulated to the greatest extent during the traffic test, and the vehicle type information, the vehicle load information, the route road condition information and the driving track information need to be determined during the traffic test;
s4, after the traffic experiment is completed, detecting the overall height of the road surface, comparing the overall height with the original parameters, reflecting the descending degree of the road visually, and comparing the detected data with the design parameters;
s5, after the overall comparison of the roads, sampling the roads, detecting the samples, detecting the internal structural strength, the collapse condition and the bearing limit of the samples, storing the detection data and comparing the detection data with the design parameters.
2. A method of testing load bearing capacity for a road design according to claim 1, wherein: in the step S3, when the traffic test is performed, clear weather needs to be selected, and at least two traffic tests need to be performed, and the second time is to perform sprinkling operation on the road surface to simulate the traffic road condition in rainy days.
3. A method of testing load bearing capacity for a road design according to claim 1, wherein: in the step S4, when the overall height of the road surface is measured, multi-point sampling detection needs to be performed on the overall height of the road surface, so as to ensure the detection accuracy.
4. A method of testing load bearing capacity for a road design according to claim 1, wherein: in the step S5, when the sample is detected and subjected to limit pressure bearing, a protective cover needs to be placed, so that the splashed slag is prevented from hurting workers.
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| CN109655853A (en) * | 2018-12-18 | 2019-04-19 | 湖南省交通科学研究院有限公司 | One kind being used for pavement construction procedure quality dynamic managing and control system |
| CN111155404B (en) * | 2020-01-21 | 2021-10-19 | 中铁四局集团有限公司 | Double-layer drainage asphalt pavement quality detection method |
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